#include <stdio.h>
#include "math_operations.h"
#include "string_operations.h"

int main() {
    int a = 10, b = 5;
    printf("Addition: %d + %d = %d\n", a, b, add(a, b));
    printf("Subtraction: %d - %d = %d\n", a, b, subtract(a, b));

    const char *str = "Hello, World!";
    printf("Original string: %s\n", str);
    printf("Uppercase string: ");
    print_uppercase(str);

    return 0;
}
